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Manley forged piston set for 2004+ Subaru WRX STi (EJ257) 83mm stroker in the standard 99.5mm bore configuration is provided as a complete piston-and-ring package. Manley’s Platinum Series pistons employ 2618 alloy forgings, cam-and-barrel skirt profiles and precise ring groove tolerances for consistent ring seal. The set is suited to builders seeking durable forged pistons for EJ257 performance rebuilds.
Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings
